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DMX512 Decoder(with Stand-Alone)

Standard DMX512 compliant control interface, enable to set the DMX 

address freely.And show address Via digital numueric display.

Stand-alone mode and DMX512 decoder mode can be freely switched 

by buttons.Under situation of Stand-alone mode,  it can be controlled 

by manual buttons with its built-in programs,  instead of DMX signal. 

SR-2103DIN

Three-channel/ four-channel output selectable.

Wiring diagram

Product Size

Two types available(Constant Voltage, Constant Current),suitable for 

different LED lamps.

To work with power repeater to expand output power unlimitedly.

Operation of switching 3 or 4 channels

Through buttons to set desired DMX512 address, 1 key is to set “hundreds” position, 2 is to set “ten” position, 3 
is to set “one” bit.

“1" button

“2" button

“3" button

To open the connection of DMX512 controller, then it can work correctly.

Using instruction

Choose Channel

Press button" 2 "and button" 3" at the same time for 2 seconds, cH digital display flashes, press button”1" to choose 

3 means total 3 channels, 4 means total 4 channels. Press any button for 2 seconds to confirm 3 or 4 channels outputs. 

The factory preset default is 4 channels outputs.  

3/4, 

Compatible

 

with SR-2811DMX,SR-2201DMX,SR-2812,SR-2816 and  

any good quality DMX Master

Parameter

SR-2103DIN

12-36VDC

4x5A

4x(60-180)W

constant voltage

98.0

65.0

105.5

53.0

Power Supply

12-36VDC

L

N 1

10V

-230V

AC

SR-2103DIN

D-

GND

D+

D-

D+

0-9

0-5

0-9

DMX512

 

Decoder

V-

V+

+

R-

G-

B-

W-

Power input

DMX Master

RGB/W or CDW LED strip 

Set DMX address 

Press 1st button for 2 seconds, digital display flashes to set the required DMX address, then press any button 
for >2 seconds to confirm. 

Choose PWM frequency

Press 1st button and 3rd button for 2 seconds, digital display flashes to show 

P-c

P means PWM frequency, press 1st to show "1", means 1500Hz,  "2" means 200Hz. 
c means dimming options, press 3rd to show "1", means logarithmic dimming, "2" means linear dimming. 

The factory preset default is PWM frequency 200Hz with linear dimming. 

2-2

 

Part No.

Input Voltage

Output Power

Output Current

Remarks

ISO9001

2008

5

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